HEPA filter


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

HEPA filter

An air filter which reduces particles in air linked to the symptoms of asthma.

HEPA filter

high efficiency particulate air filter.
References in periodicals archive ?
It comes with a HEPA filter that removes particles down to 0.3 micro m in size and an activated Carbon filter that clears the air of harmful gases.
(h) Housekeeping: (1) The employer shall not allow dry sweeping or dry brushing where such activity could contribute to employee exposure to respirable crystalline silica unless wet sweeping, HEPA filtered vacuuming or other methods that minimize the likelihood of exposure are not feasible.
ARCHIVES: AESG launches HEPA filter testing service
Even people who don't use woodstoves themselves may benefit from HEPA filters, Allen says.
In terms of the sensitivity of the analysis, if the MERV 13 filter removes 30% of the influenza virus particles and a HEPA filter removes 100%, then the group inhalation ratio in an aircraft cabin versus in an office after 3 hours of exposure for 15 cfm/p and 41 cfm/p virus-free ventilation air in the cabin and the office air, respectively, is 3.6.
To evaluate the energy-saving potential under different face velocity of HEPA filter, the performance improvement strategy with a physical partition curtain was proposed and analyzed by numerical simulation.
Those concerned that HEPA filters might not be efficient enough to remove all airborne irritants can install germicidal ultraviolet lamps in residents' rooms, according to Shagott.
Some families may do just fine with a portable HEPA filter, which cleans larger particles, such as pollen and pet dander.
It comes with a bonus HEPA filter. Another Bissell, the DirtLifter PowerBrush Steam Cleaner, which includes a ScotchGuard applicator, was on sale for $169.99, down from $171.99.
The H500V model uses an internally protected 99.97% certified HEPA filter and has a filter change indicator light.
There's no reason for cat owners to buy an expensive vacuum with a HEPA filter.
Fine particles are filtered to 0.3 microns at 99.97% efficiency by a filter protector and a HEPA filter. Only "clean," safe air passes through vacuum exhaust.